3,017 Android Ios jobs in the United Kingdom

Mobile Developer (iOS / Android)

Smart Home / IoT Apps

Location:

UK/EMEA (Fully Remote)nRate:

£300

£400 per daynWe are seeking a talented and creative

Mobile Developer (iOS / Android)

to join our clients fast-growing

digital and smart home technology team . You will be working on the design, development, and optimisation of innovative

mobile applications

that power the next generation of

home automation and IoT devices , used by thousands of customers daily.nThis is a fantastic opportunity to make an impact on

high-profile projects , working within a collaborative, forward-thinking environment that blends

mobile, IoT, cloud, and real-time communication technologies .nKey Responsibilities

Develop, test, and deploy high-quality

iOS and Android applications

(native or cross-platform).

Collaborate with product managers, designers, and backend engineers to define and deliver new features.

Ensure code quality, performance, and reliability across all mobile platforms.

Integrate apps with APIs, MQTT messaging, and real-time device data.

Implement push notifications, scheduling, and device control features.

(Optional) Contribute to

voice/video communication features

using SIP or WebRTC.

Stay up to date with the latest

mobile development trends, frameworks, and tools .

Participate in code reviews, testing, and debugging.

Skills & Experience

Proven experience as a

Mobile Developer

with a strong portfolio of published apps (iOS and/or Android).

Proficiency in

Swift (iOS)

and/or

Kotlin/Java (Android) .

Experience with

Xcode, Android Studio, UIKit, Jetpack, and mobile SDKs .

Knowledge of

RESTful APIs, WebSockets, and third-party libraries .

Familiarity with

mobile UI/UX best practices .

Understanding of

Agile/Scrum methodologies .

Bonus if you have experience with:nCross-platform frameworks

(React Native or Flutter).

IoT messaging (MQTT, AMQP) .

Cloud microservices

(Node.js, Go, Python).

Databases

(PostgreSQL/MySQL, Redis, InfluxDB/Timescale).

Real-time comms

(SIP/Asterisk/FreeSWITCH, WebRTC/Janus/mediasoup).

Tech Stack Youll Be Exposed To

Mobile:

Native iOS (Swift), Native Android (Kotlin/Java), React Native, Flutter.

Backend / Cloud:

Node.js, Go, Python microservices.

Databases:

PostgreSQL/MySQL, Redis, InfluxDB/Timescale.

Messaging / IoT:

MQTT broker (Mosquitto, EMQX).

Real-time Comms:

HTTP APIs, WebSockets, WebRTC, SIP.

This role offers the chance to

combine your iOS and Android expertise with next-generation IoT, smart home, and cloud technologies , building apps that make a real difference in peoples daily lives.

TPBN1_UKTJn

Title: Senior Mobile Automation Engineer (Android + iOS mobile application development )
br>
Location: Toronto, Canada (5 Days Onsite)

Duration: Long Term

  br>
Note: Candidate should have a strong Mobile automation experience from Finance/Banking project background rather than doing a Mobile testing role. Also, look for resource with in depth experience in API Testing experience for this role.

  br>
Qualifications and Skills:


8 years of software testing experience in native iOS and Android mobile applications. br> + years of experience in functional testing of web applications.
Strong grasp of testing methodologies for all types of testing - Functional, Regression, Sanity, Smoke, White box, and Black box testing.
Experience with Atlassian products like JIRA, Xray, and Confluence.
Experience with Postman and API Testing.
Proficiency in BDD Gherkin scripting language.
Experience working closely with software development and product teams in an agile environment.
Excellent time management skills, ability to meet deadlines, and function in a fast-paced and flexible environment.
Experience in release cycle management in an agile environment.
Ability to work both independently and collaboratively in a team-oriented environment.
Strong analytical and problem-solving skills, including the ability to handle complex or ambiguous situations.
Experience managing multiple projects simultaneously in a fast-paced environment.
Good understanding of Source Code management and Version Control systems like GitHub and SourceTree.
Knowledge of Android Studio and Xcode.


Nice to have:


Experience and knowledge in the Fintech industry.
Experience using SauceLabs. 

Android/iOS Developer - 6 Month Initial Contract - Outside IR 35

We are seeking an experienced iOS and/or Android Developer to support our client to build a high performance application.

Key Skills:

• Experience in iOS (Swift) and/or Android (Kotlin) development.
• Solid understanding of mobile app architecture, RESTful APIs, and design patterns (MVVM, MVC, etc.).
• Experience with third-party libraries, SDKs, and frameworks.
• Strong problem-solving and debugging skills.
• Collaborate with designers, product managers, and Back End engineers to deliver seamless user experiences.

Start Date: ASAP
Length: Initial 6 months
IR 35 Status: Outside IR 35

Our leading client is looking for

Mobile Apps Developer (iOS & Android) based at London.

Familiarity with the Android Native UI or iOS Objective-C UI components.

Familiarity with .NET MAUI for cross-platform development.

Experience using Android Studio IDE (Windows) or Xcode IDE (macOS).

Qt mobile GUI development skills using Qt, Qt Quick, or QML.

Experience developing apps on Windows, with Visual Studio utilising Xamarin.

Experience in 2D/3D graphics, including OpenGL, Shaders, OpenSceneGraph, or Vulkan.

Knowledge of GIS mapping toolkits or components such as GDAL, ESRI, MapBox, or Google Maps.

Familiarity with Apple App Store developer processes, including code signing and deployment using TestFlight.

Experience as a Google Play Store developer, including app publishing (APK, AAB).

Skills in C/C++ desktop development for Windows using Visual Studio IDE.

Experience with Continuous Integration (CI) tools, including JIRA, Git, Jenkins, Java, bash, batch scripts, and CMake.

Our leading client is looking for

Mobile Apps Developer (iOS & Android) based at London.

Familiarity with the Android Native UI or iOS Objective-C UI components.

Familiarity with .NET MAUI for cross-platform development.

Experience using Android Studio IDE (Windows) or Xcode IDE (macOS).

Qt mobile GUI development skills using Qt, Qt Quick, or QML.

Experience developing apps on Windows, with Visual Studio utilising Xamarin.

Experience in 2D/3D graphics, including OpenGL, Shaders, OpenSceneGraph, or Vulkan.

Knowledge of GIS mapping toolkits or components such as GDAL, ESRI, MapBox, or Google Maps.

Familiarity with Apple App Store developer processes, including code signing and deployment using TestFlight.

Experience as a Google Play Store developer, including app publishing (APK, AAB).

Skills in C/C++ desktop development for Windows using Visual Studio IDE.

Experience with Continuous Integration (CI) tools, including JIRA, Git, Jenkins, Java, bash, batch scripts, and CMake.

AI Mobile Engineer (iOS/Android) – London (Hybrid)nInnovative AI scale up now requires a Senior Mobile Engineer to build their flagship user-facing mobile application (multiplatform) across iOS and Android platforms.

This role will lead the development of their core application, focusing on their AI tools and native call integration (CallKit/CallScreeningService) in line for product launch.

Responsibilities

Lead development of the core multi-platform mobile application for iOS and Android.

Focus on integrating AI tools and native call handling using CallKit (iOS) and CallScreeningService (Android).

Build consumer-facing mobile experiences with a strong emphasis on UX/UI.

Collaborate with cross-functional teams to deliver product milestones.

Key Requirements

Expert level mobile development experience across both

iOS – Swift

and

Android – Kotlin .

Experience using native call handling frameworks such as

iOS CallKit

and/or

Android’s CallScreeningService .

Experience with voice AI integrations – text to speech, speech recognition and conversational AI.

Experience building consumer-facing mobile applications with a strong focus on UX/UI implementation.

Excellent communication skills with the ability to work with cross-functional teams.

This is a permanent opportunity with base salary dependant on experience.

In terms of working structure, this is hybrid with 2-3 days per week in Central London office and the rest remote.

Location

London, England, United Kingdom

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Information Technology

Industries

Technology, Information and Media

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Overview

Halian Technology is seeking a hands-on, technically proficient Quality Engineer for a permanent role with a progressive, product-led organisation building modern mobile experiences. We are looking for a UK-based Quality Engineer with recent mobile app team experience, a strong understanding of modern engineering practices, and a coaching mindset. This is not a QA or testing-only role—we’re looking for a collaborative engineering leader who understands how to build quality into the development lifecycle.nKey Qualifications

Proven experience working in mobile app product teams (iOS/Android) within the last 2 yearsnStrong understanding of CI/CD, Continuous Testing, and Shift Left/Right principlesnHands-on technical skills, including TDD, pairing, and experience with observability practices (e.g. logs, metrics, APM)nAble to coach and mentor developers in testing and quality ownershipnComfortable working in cross-functional teams embedded with engineersnExcellent grasp of modern quality thinking not reliant on test plans or legacy QA processesnStrong communicator with a history of community involvement, blogs, talks, or event participationnDemonstrated leadership experience in driving quality strategies within teamsnAdditional Information

Please note: you must be UK-based and have the right to work in the UK to be considerednReady to raise the quality bar in modern mobile development?nApply now or get in touch for more information.

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Senior Mobile Engineer, iOS or Android (Relocation to Melbourne)

Join to apply for the

Senior Mobile Engineer, iOS or Android (Relocation to Melbourne)

role at

AirwallexnSenior Mobile Engineer, iOS or Android (Relocation to Melbourne)

Join to apply for the

Senior Mobile Engineer, iOS or Android (Relocation to Melbourne)

role at

AirwallexnGet AI-powered advice on this job and more exclusive features.nAbout Airwallex

Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 150,000 businesses worldwide – including Brex, Rippling, Navan, Qantas, SHEIN and many more – with fully integrated solutions to manage everything from business accounts, payments, spend management and treasury, to embedded finance at a global scale.nAbout Airwallex

Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 150,000 businesses worldwide – including Brex, Rippling, Navan, Qantas, SHEIN and many more – with fully integrated solutions to manage everything from business accounts, payments, spend management and treasury, to embedded finance at a global scale.

Proudly founded in Melbourne, we have a team of over 1,700 of the brightest and most innovative people in tech across 26 offices around the globe. Valued at US$6.2 billion and backed by world-leading investors including Visa, Airtree, Blackbird, Sequoia, DST Global, Greenoaks, Salesforce Ventures, Lone Pine, and Square Peg, Airwallex is leading the charge in building the global payments and financial platform of the future. If you’re ready to do the most ambitious work of your career, join us.

About The Team

Our Mobile Team is responsible for the end-to-end development of both our iOS and Android apps, leveraging the latest technologies to build a seamless user experience. On iOS, we work with SwiftUI, Combine, and Async/Await, while on Android we use AndroidX, Coroutines, Hilt, and a suite of Jetpack libraries.

You’ll be joining Airwallex at a pivotal moment as we expand the capabilities of our modern, fully native mobile apps. These apps empower customers to manage global B2B payments, submit and approve expenses, and control both virtual and physical Airwallex cards—including seamless Apple Pay and Google Pay integration for card transactions.

What You’ll Do

As a Mobile Engineer, you’ll focus on building high-quality, user-friendly native mobile applications using modern frameworks and best practices. You’ll work closely with product managers, designers, and other engineers to deliver features that are reliable, intuitive, and performant.

This role is based in Melbourne and relocation support will be provided.

Responsibilities

Take ownership of the design, implementation, and delivery of key features across our iOS and Android apps, ensuring they are intuitive, performant, and reliable.nCollaborate closely with fellow engineers to define architecture, share best practices, and drive high-quality standards across platforms.nInfluence how we scale and evolve our mobile apps—built less than three years ago—by shaping core architecture and contributing to long-term technical direction.nGo beyond feature development: contribute to team processes, product decisions, and broader engineering strategy as we scale globally.nBe a hands-on technical leader who takes pride in clean, testable code and actively supports continuous improvement across the mobile stack.

Who You Are

We’re looking for people who meet the minimum qualifications for this role. The preferred qualifications are great to have, but are not mandatory.

Minimum Qualifications

6+ years of experience developing native mobile applications on iOS or Android, using modern frameworks and development practicesnBachelor’s degree or higher in Computer Science, Engineering, or a related fieldnProven experience shipping one or more production apps, ideally available in the App Store or Google PlaynStrong focus on code quality—writes testable code with high test coveragenExperience maintaining CI/CD pipelines (e.g. GitHub Actions, Bitrise)

Preferred Qualifications

Experience with modern Android or iOS development tools and libraries, such as AndroidX, Jetpack, SwiftUI, Combine, Hilt, or Coroutines

Equal opportunity

Airwallex is proud to be an equal opportunity employer. We value diversity and anyone seeking employment at Airwallex is considered based on merit, qualifications, competence and talent. We don’t regard color, religion, race, national origin, sexual orientation, ancestry, citizenship, sex, marital or family status, disability, gender, or any other legally protected status when making our hiring decisions. If you have a disability or special need that requires accommodation, please let us know.

Airwallex does not accept unsolicited resumes from search firms/recruiters. Airwallex will not pay any fees to search firms/recruiters if a candidate is submitted by a search firm/recruiter unless an agreement has been entered into with respect to specific open position(s). Search firms/recruiters submitting resumes to Airwallex on an unsolicited basis shall be deemed to accept this condition, regardless of any other provision to the contrary.nSeniority level

Seniority level Mid-Senior levelnEmployment type

Employment type Full-timenJob function

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At Roche you can show up as yourself, embraced for the unique qualities you bring. Our culture encourages personal expression, open dialogue, and genuine connections, where you are valued, accepted and respected for who you are, allowing you to thrive both personally and professionally. This is how we aim to prevent, stop and cure diseases and ensure everyone has access to healthcare today and for generations to come. Join Roche, where every voice matters.nThe Position A healthier future. It’s what drives us to innovate. To continuously advance science and ensure everyone has access to the healthcare they need today and for generations to come. Creating a world where we all have more time with the people we love. That’s what makes us Roche.nAdvances in AI, data and computational sciences are transforming drug discovery and development. Roche’s Research and Early Development organizations at Genentech (gRED) and Pharma (pRED) have demonstrated how these technologies accelerate R&D, leveraging data and novel computational models to drive impact. Seamless data sharing and access to models across gRED and pRED are essential to maximising these opportunities. The Computational Sciences Center of Excellence (CS CoE) is a strategic, unified group whose goal is to harness the transformative power of data and Artificial Intelligence (AI) to assist our scientists in both pRED and gRED to deliver more innovative and life-changing medicines for patients worldwide.nWithin the CS CoE organisation, the Data and Digital Catalyst (DDC) organization leads the modernization of our computational and data ecosystems by integrating digital technologies across Research and Early Development to empower stakeholders, advance data-driven science and accelerate decision-making.nThe Solutions team within the DDC Organization develops modernized and interconnected computational and data ecosystems. The Data Ecosystem is foundational to building solutions that accelerate the work done by our Computational and Bench Scientists and enable ML/AI tool creation and adoption. Our team specializes in building Data Pipelines and Applications for data acquisition, collection, storage, transformation, linkage and sharing.nAs a Software Engineer on our Solutions Engineering team, you will build robust, scalable, and reusable capabilities for our shared data platform. You will work closely with Data Engineers, Product Leaders, and scientific partners to design and implement systems that unlock the potential of our diverse scientific data. Your work will directly contribute to accelerating the discovery and development of life-changing treatments for patients by building the modern ecosystem that captures, moves, and prepares scientific data for analysis.nThe Opportunity

Ensure technical excellence by delivering innovative, best-in-class data flows and pipelines across key scientific domains.

Promote the adoption of key trends and technologies by applying an Open Source, Cloud First, API First, and AI First approach to problem-solving.

Improve our data workflows and application architecture by leveraging standard patterns like microservices and event-driven design.

Integrate diverse data sets to power AI/ML, Natural Language Search, and downstream visualization and analytics tools.

Facilitate the implementation of cutting-edge AI models that take advantage of advances in machine learning.

Influence technical decisions around data workflows and application development in collaboration with key partners.

Learn and deeply understand our Data Ecosystem to drive continuous improvement and innovation.

Who You Are You are a passionate engineer who cares about technical and product excellence, with a drive to build highly usable solutions. You thrive in a collaborative environment, leveraging modern development practices to translate complex challenges into effective technology solutions.nYou bring the following qualifications:nA Bachelor’s degree in Computer Science or a similar technical field, or equivalent experience, plus relevant software engineering experience.

Experience in full-stack development, with working knowledge of frontend (e.g., JavaScript) and backend (e.g., Python, Java) technologies.

Experience with databases, data analytics (SQL/NoSQL, ETL/ELT), and APIs (REST, GraphQL).

Experience working on cloud-native architectures in a public cloud environment, ideally AWS.

Strong oral and written communication skills and the ability to think strategically to optimize for long-term goals.

#ComputationCoEnWho we are A healthier future drives us to innovate. Together, more than 100’000 employees across the globe are dedicated to advance science, ensuring everyone has access to healthcare today and for generations to come. Our efforts result in more than 26 million people treated with our medicines and over 30 billion tests conducted using our Diagnostics products. We empower each other to explore new possibilities, foster creativity, and keep our ambitions high, so we can deliver life-changing healthcare solutions that make a global impact.

Let’s build a healthier future, together.nThe statements herein are intended to describe the general nature and level of work being performed by employees, and are not to be construed as an exhaustive list of responsibilities, duties, and skills required of personnel so classified. Furthermore, they do not establish a contract for employment and are subject to change at the discretion of Roche Products Ltd. At Roche Products we believe diversity drives innovation and we are committed to building a diverse and flexible working environment. All qualified applicants will receive consideration for employment without regard to race, religion or belief, sex, gender reassignment, sexual orientation, marriage and civil partnership, pregnancy and maternity, disability or age. We recognise the importance of flexible working and will review all applicants’ requests with care. At Roche difference is valued and we are proud to be an equal opportunity employer where you are encouraged to bring your whole self to work.

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